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gnu-social
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[MODULES] List all available plugins and allow enabling them via UI 

Yet another revision of the Admin Plugin Management tool
This commit is contained in:
Diogo Cordeiro 2019-08-16 15:06:27 +01:00 committed by Diogo Peralta Cordeiro
parent 5524cf331c
commit ca22279797
6 changed files with 176 additions and 75 deletions
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21
actions/pluginenable.php
View File

@ -69,7 +69,7 @@ class PluginenableAction extends Action
if (!$token || $token != common_session_token()) {
// TRANS: Client error displayed when the session token does not match or is not given.
$this->clientError(_('There was a problem with your session token.'.
$this->clientError(_m('There was a problem with your session token.'.
' Try again, please.'));
}
@ -79,19 +79,18 @@ class PluginenableAction extends Action
if (empty($this->user)) {
// TRANS: Error message displayed when trying to perform an action that requires a logged in user.
$this->clientError(_('Not logged in.'));
$this->clientError(_m('Not logged in.'));
}
if (!AdminPanelAction::canAdmin('plugins')) {
// TRANS: Client error displayed when trying to enable or disable a plugin without access rights.
$this->clientError(_('You cannot administer plugins.'));
$this->clientError(_m('You cannot administer plugins.'));
}
$this->plugin = $this->arg('plugin');
$defaultPlugins = common_config('plugins', 'default');
if (!array_key_exists($this->plugin, $defaultPlugins)) {
if (!array_key_exists($this->plugin, array_flip(PluginList::grabAllPluginNames()))) {
// TRANS: Client error displayed when trying to enable or disable a non-existing plugin.
$this->clientError(_('No such plugin.'));
$this->clientError(_m('No such plugin.'));
}
return true;
@ -107,6 +106,16 @@ class PluginenableAction extends Action
*/
function handle()
{
if (!PluginList::isPluginLoaded($this->plugin)) {
$config_file = INSTALLDIR . DIRECTORY_SEPARATOR . 'config.php';
$handle = fopen($config_file, 'a');
if (!$handle) {
$this->clientError(_m('No permissions for writing to config.php'));
}
$data = PHP_EOL.'addPlugin(\''.$this->plugin.'\'); // Added by sysadmin\'s Plugin UI.';
fwrite($handle, $data);
fclose($handle);
}
$key = 'disable-' . $this->plugin;
Config::save('plugins', $key, $this->overrideValue());

29
actions/pluginsadminpanel.php
View File

@ -47,7 +47,7 @@ class PluginsadminpanelAction extends AdminPanelAction
function getInstructions()
{
// TRANS: Instructions at top of plugin admin page.
return _('Additional plugins can be enabled and configured manually. ' .
return _m('Additional plugins can be enabled and configured manually. ' .
'See the <a href="https://notabug.org/diogo/gnu-social/src/nightly/plugins/README.md">online plugin ' .
'documentation</a> for more details.');
}
@ -59,34 +59,19 @@ class PluginsadminpanelAction extends AdminPanelAction
*/
function showForm()
{
$this->elementStart('fieldset', array('id' => 'settings_plugins_default'));
$this->elementStart('fieldset', ['id' => 'settings_plugins_default']);
// TRANS: Admin form section header
$this->element('legend', null, _('Default plugins'));
$this->element('legend', null, _m('Available Plugins'));
$this->showDefaultPlugins();
$this->showPlugins();
$this->elementEnd('fieldset');
}
/**
* Until we have a general plugin metadata infrastructure, for now
* we'll just list up the ones we know from the global default
* plugins list.
*/
protected function showDefaultPlugins()
protected function showPlugins()
{
$plugins = array_keys(common_config('plugins', 'default'));
natsort($plugins);
if ($plugins) {
$list = new PluginList($plugins, $this);
$list->show();
} else {
$this->element('p', null,
// TRANS: Text displayed on plugin admin page when no plugin are enabled.
_('All default plugins have been disabled from the ' .
'site\'s configuration file.'));
}
$list = new PluginList($this);
$list->show();
}
}

2
actions/version.php
View File

@ -73,7 +73,7 @@ class VersionAction extends Action
{
parent::prepare($args);
Event::handle('PluginVersion', [&$this->pluginVersions]);
$this->pluginVersions = PluginList::getActivePluginVersions();
return true;
}

6
lib/plugindisableform.php
View File

@ -17,7 +17,7 @@
defined('STATUSNET') || die();
/**
* Form for joining a group
* Form for disabling a plugin
*
* @category Form
* @package StatusNet
@ -34,7 +34,6 @@ class PluginDisableForm extends PluginEnableForm
*
* @return string ID of the form
*/
public function id()
{
return 'plugin-disable-' . $this->plugin;
@ -45,7 +44,6 @@ class PluginDisableForm extends PluginEnableForm
*
* @return string of the form class
*/
public function formClass()
{
return 'form_plugin_disable';
@ -56,7 +54,6 @@ class PluginDisableForm extends PluginEnableForm
*
* @return string URL of the action
*/
public function action()
{
return common_local_url(
@ -71,7 +68,6 @@ class PluginDisableForm extends PluginEnableForm
* @return void
* @throws Exception
*/
public function formActions()
{
// TRANS: Plugin admin panel controls

8
lib/pluginenableform.php
View File

@ -19,7 +19,7 @@ defined('STATUSNET') || die();
require_once INSTALLDIR . '/lib/form.php';
/**
* Form for joining a group
* Form for enabling a plugin
*
* @category Form
* @package StatusNet
@ -34,7 +34,6 @@ class PluginEnableForm extends Form
/**
* Plugin to enable/disable
*/
public $plugin = null;
/**
@ -43,7 +42,6 @@ class PluginEnableForm extends Form
* @param HTMLOutputter $out output channel
* @param string $plugin plugin to enable/disable
*/
public function __construct($out = null, $plugin = null)
{
parent::__construct($out);
@ -56,7 +54,6 @@ class PluginEnableForm extends Form
*
* @return string ID of the form
*/
public function id()
{
return 'plugin-enable-' . $this->plugin;
@ -67,7 +64,6 @@ class PluginEnableForm extends Form
*
* @return string of the form class
*/
public function formClass()
{
return 'form_plugin_enable';
@ -78,7 +74,6 @@ class PluginEnableForm extends Form
*
* @return string URL of the action
*/
public function action()
{
return common_local_url(
@ -93,7 +88,6 @@ class PluginEnableForm extends Form
* @return void
* @throws Exception
*/
public function formActions()
{
// TRANS: Plugin admin panel controls

185
lib/pluginlist.php
View File

@ -32,30 +32,68 @@ class PluginList extends Widget
{
public $plugins = [];
public function __construct($plugins, $out)
/**
* PluginList constructor.
* @param Action $out
* @param array|null $plugins
*/
public function __construct(Action $out, ?array $plugins = null)
{
parent::__construct($out);
$this->plugins = $plugins;
$this->plugins = is_null($plugins) ? $this->grabAllPluginNames() : $plugins;
}
/**
* List of names of all available plugins (distribution and third parties).
* Warning: Plugin not modules, it doesn't include core modules.
*
* @return array
*/
public static function grabAllPluginNames(): array
{
$plugins = [];
$distribution_plugins = glob(INSTALLDIR . '/plugins/*');
foreach ($distribution_plugins as $plugin) {
$plugin_name = ltrim($plugin, INSTALLDIR . '/plugins/');
if ($plugin_name == 'README.md') {
continue;
}
$plugins[] = $plugin_name;
}
unset($distribution_plugins);
$thirdparty_plugins = glob(INSTALLDIR . '/local/plugins/*');
foreach ($thirdparty_plugins as $plugin) {
$plugins[] = ltrim($plugin, INSTALLDIR . '/local/plugins/');
}
unset($thirdparty_plugins);
natsort($plugins);
return $plugins;
}
public function show()
{
if (!$this->plugins) {
$this->out->element('p', null,
// TRANS: Text displayed on plugin admin page when no plugin are enabled.
_m('All plugins have been disabled from the ' .
'site\'s configuration file.'));
}
$this->startList();
$this->showPlugins();
$this->endList();
}
public function startList()
public function startList(): void
{
$this->out->elementStart('table', 'plugin_list');
}
public function endList()
public function endList(): void
{
$this->out->elementEnd('table');
}
public function showPlugins()
public function showPlugins(): void
{
foreach ($this->plugins as $plugin) {
$pli = $this->newListItem($plugin);
@ -63,12 +101,106 @@ class PluginList extends Widget
}
}
public function newListItem($plugin)
public function newListItem($plugin): PluginListItem
{
return new PluginListItem($plugin, $this->out);
}
/** Local cache for plugin version info */
protected static $versions = false;
/**
* Lazy-load the set of active plugin version info.
* Warning: Plugin not modules, it doesn't include core modules.
* @return array
*/
public static function getPluginVersions(): array
{
if (!is_array(self::$versions)) {
$plugin_versions = [];
Event::handle('PluginVersion', [&$plugin_versions]);
self::$versions = $plugin_versions;
}
return self::$versions;
}
/**
* We need a proper name for comparison, that is, without spaces nor the `(section)`
* Therefore, a plugin named "Diogo Cordeiro (diogo@fc.up.pt)" becomes "DiogoCordeiro"
*
* WARNING: You may have to use strtolower() in your situation
*
* @param string $plugin_name
* @return string Name without spaces nor parentheses section
*/
public static function internalizePluginName(string $plugin_name): string
{
$name_without_spaces = str_replace(' ', '', $plugin_name);
$name_without_spaces_nor_parentheses_section = substr($name_without_spaces, 0, strpos($name_without_spaces . '(', '('));
return $name_without_spaces_nor_parentheses_section;
}
/**
* It calls self::getPluginVersions() and for each it builds an array with the self::internalizePluginName()
*
* @return array
*/
public static function getActivePluginVersions(): array
{
$versions = self::getPluginVersions();
$active_plugins = [];
foreach ($versions as $info) {
$internal_plugin_name = self::internalizePluginName($info['name']);
// This is sensitive case
$key = 'disable-' . $internal_plugin_name;
if (common_config('plugins', $key)) {
continue;
}
$active_plugins[] = $info;
}
return $active_plugins;
}
/**
* Checks if a given plugin was loaded (added in config.php with addPlugin())
*
* @param string $plugin
* @return bool
* @see PluginListItem->metaInfo() Warning: horribly inefficient and may explode!
*/
public static function isPluginLoaded(string $plugin): bool
{
$versions = self::getPluginVersions();
foreach ($versions as $info) {
$internal_plugin_name = self::internalizePluginName($info['name']);
// For a proper comparison, we do it in lower case
if (strtolower($internal_plugin_name) == strtolower($plugin)) {
return true;
}
}
return false;
}
/**
* Checks if a given plugin is active (both loaded and not set as inactive in the database)
*
* @param string $plugin
* @return bool
* @see self::isPluginLoaded() Warning: horribly inefficient and may explode!
*/
public static function isPluginActive(string $plugin): bool
{
$key = 'disable-' . $plugin;
return self::isPluginLoaded($plugin) && !common_config('plugins', $key);
}
}
/**
* Class PluginListItem
*/
class PluginListItem extends Widget
{
/** Current plugin. */
@ -87,13 +219,13 @@ class PluginListItem extends Widget
{
$meta = $this->metaInfo();
$this->out->elementStart('tr', array('id' => 'plugin-' . $this->plugin));
$this->out->elementStart('tr', ['id' => 'plugin-' . $this->plugin]);
// Name and controls
$this->out->elementStart('td');
$this->out->elementStart('div');
if (!empty($meta['homepage'])) {
$this->out->elementStart('a', array('href' => $meta['homepage']));
$this->out->elementStart('a', ['href' => $meta['homepage']]);
}
$this->out->text($this->plugin);
if (!empty($meta['homepage'])) {
@ -125,7 +257,7 @@ class PluginListItem extends Widget
if (!empty($meta['rawdescription'])) {
$this->out->raw($meta['rawdescription']);
} elseif (!empty($meta['description'])) {
$this->out->raw($meta['description']);
$this->out->text($meta['description']);
}
$this->out->elementEnd('td');
@ -140,11 +272,10 @@ class PluginListItem extends Widget
*/
protected function getControlForm()
{
$key = 'disable-' . $this->plugin;
if (common_config('plugins', $key)) {
return new PluginEnableForm($this->out, $this->plugin);
} else {
if (PluginList::isPluginActive($this->plugin)) {
return new PluginDisableForm($this->out, $this->plugin);
} else {
return new PluginEnableForm($this->out, $this->plugin);
}
}
@ -154,19 +285,19 @@ class PluginListItem extends Widget
* Doesn't work for disabled plugins either.
*
* @fixme pull structured data from plugin source
* ^ Maybe by introducing a ini file in each plugin's directory? But a typical instance doesn't have all that many
* plugins anyway, no need for urgent action
*/
public function metaInfo()
{
$versions = self::getPluginVersions();
$versions = PluginList::getPluginVersions();
$found = false;
foreach ($versions as $info) {
// We need a proper name for comparison, that is, without spaces nor the `(section)`
// Therefore, a plugin named "Diogo Cordeiro (diogo@fc.up.pt)" becomes "DiogoCordeiro"
$name_without_spaces = str_replace(' ', '', $info['name']);
$name_without_spaces_nor_parentheses_section = substr($name_without_spaces, 0, strpos($name_without_spaces.'(', '('));
$internal_plugin_name = PluginList::internalizePluginName($info['name']);
if (strtolower($name_without_spaces_nor_parentheses_section) == strtolower($this->plugin)) {
// For a proper comparison, we do it in lower case
if (strtolower($internal_plugin_name) == strtolower($this->plugin)) {
if ($found) {
$found['rawdescription'] .= "<br />\n" . $info['rawdescription'];
} else {
@ -180,21 +311,7 @@ class PluginListItem extends Widget
} else {
return ['name' => $this->plugin,
// TRANS: Plugin description for a disabled plugin.
'rawdescription' => _m('plugin-description', '(The plugin description is unavailable when a plugin has been disabled.)')];
'rawdescription' => _m('plugin-description', '(The plugin description is unavailable when a plugin hasn\'t been loaded.)')];
}
}
/**
* Lazy-load the set of active plugin version info
* @return array
*/
protected static function getPluginVersions()
{
if (!is_array(self::$versions)) {
$versions = [];
Event::handle('ModuleVersion', [&$versions]);
self::$versions = $versions;
}
return self::$versions;
}
}